Rumors that Ecobee could release a successor to the SmartThermostat have begun after the discovery of hidden images and descriptions in a recent app update. The reported new gadget could have similar features to the current smart thermostat, with the additional ability to trigger air purifiers or fans when poor air quality is detected.
https://www.notebookcheck.net/Ecobee-could-be-working-on-a-new-smart-thermostat-that-can-monitor-air-quality.615108.0.html